Home / 219,304.78-302,647.92-134,405.44

Finding the Fourth Proportional to 219,304.78, 302,647.92 and 134,405.44

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Solution

The fourth proportional to 219,304.78, 302,647.92 and 134,405.44 is: 185,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,304.78 : 302,647.92 = 134,405.44 : x
  2. Step 2: Convert to fraction form
    219,304.78/302,647.92 = 134,405.44/x
  3. Step 3: Cross multiply
    219,304.78x = 302,647.92 × 134,405.44
  4. Step 4: Simplify right side
    219,304.78x = 40,677,526,852.68
  5. Step 5: Solve for x
    x = 40,677,526,852.68/219,304.78
  6. Step 6: Final answer
    x = 185,484.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.